On Fri, Nov 19, 2021 at 05:07:50PM -0500, Jim Quinlan wrote: > Add bindings for Brcmstb EP voltage regulators. A new mechanism is to be > added to the Linux PCI subsystem that will allocate and turn on/off > regulators. These are standard regulators -- vpcie12v, vpcie3v3, and > vpcie3v3aux -- placed in the DT in the bridge node under the host bridge > device. > > The use of a regulator property in the pcie EP subnode such as > "vpcie12v-supply" depends on a pending pullreq to the pci-bus.yaml > file at > > https://github.com/devicetree-org/dt-schema/pull/63 > > Signed-off-by: Jim Quinlan <jim2101024@xxxxxxxxx> > --- > .../bindings/pci/brcm,stb-pcie.yaml | 23 +++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > index 22f2ef446f18..7113a7f726e7 100644 > --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > @@ -159,5 +159,28 @@ examples: > <0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>; > brcm,enable-ssc; > brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>; > + > + /* PCIe bridge */ Root port specifically. Didn't Pali mention that before? > + pci@0,0 { > + #address-cells = <3>; > + #size-cells = <2>; > + reg = <0x0 0x0 0x0 0x0 0x0>; > + compatible = "pciclass,0604"; > + device_type = "pci"; > + vpcie3v3-supply = <&vreg7>; > + ranges; > + > + /* PCIe endpoint */ > + pci-ep@0,0 { > + assigned-addresses = > + <0x82010000 0x0 0xf8000000 0x6 0x00000000 0x0 0x2000>; > + reg = <0x0 0x0 0x0 0x0 0x0>; > + compatible = "pci14e4,1688"; > + #address-cells = <3>; > + #size-cells = <2>; > + > + ranges; These aren't appropriate for an endpoint. > + }; > + }; > }; > }; > -- > 2.17.1 > >
